chart = new Highcharts.Chart({
	chart: {
		renderTo: 'container', 
		defaultSeriesType: 'area'
	},
	title: {
		text: '{#title#}'
	},
	subtitle: {
		text: 'Source: <a href="http://thebulletin.metapress.com/content/c4120650912x74k7/fulltext.pdf">'+
			'thebulletin.metapress.com</a>'
	},
	xAxis: {
		labels: {
			formatter: function() {
				return this.value; // clean, unformatted number for year
			}
		}							
	},
	yAxis: {
		title: {
			text: 'Nuclear weapon states'
		},
		labels: {
			formatter: function() {
				return this.value / 1000 +'k';
			}
		}
	},
	tooltip: {
		formatter: function() {
			return this.series.name +' produced <b>'+
				Highcharts.numberFormat(this.y, 0) +'</b><br/>warheads in '+ this.x;
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	},
	plotOptions: {
		area: {
			pointStart: 1950,
			marker: {
				enabled: false,
				symbol: 'circle',
				radius: 4,
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